Duration:
| No | Chapter | Duration | Video | Youtube | Voice + Text |
|---|---|---|---|---|---|
| 0 | Preface | 03:10 | Video | YouTube | pending |
| 1 | Introduction, Part 1 | 36:57 | Video | YouTube | pending |
| 2 | Introduction, Part 2 | 39:47 | Video | YouTube | pending |
| 3 | An Elucidation of the Fourth Dimension | 20:38 | Video | YouTube | pending |
| 4 | Non-Eucledian Geometry and the Fourth Dimension | 16:12 | Video | YouTube | pending |
| 5 | Fourth Dimension Absurdities | 23:20 | Video | YouTube | pending |
| 6 | The Boundary of the Four-Dimensional Unit And Other Features of Four-Dimensional Space | 20:43 | Video | YouTube | pending |
| 7 | How the Fourth Dimension May Be Studied | 17:40 | Video | YouTube | pending |
| 8 | Space and Hyperspace | 17:59 | Video | YouTube | pending |
| 9 | An Interpretation of the Fourth Dimension | 20:00 | Video | YouTube | pending |
| 10 | Length, Breadth, Thickness, And Then What? | 16:26 | Video | YouTube | pending |
| 11 | The Fourth Dimension Algebraically Considered | 14:08 | Video | YouTube | pending |
| 12 | Difficulties In Imagining the Fourth Dimension | 17:03 | Video | YouTube | pending |
| 13 | Some Fourth Dimension Curiosities | 18:59 | Video | YouTube | pending |
| 14 | Characteristics of the Fourth Dimension | 18:28 | Video | YouTube | pending |
| 15 | The Fourth Dimension, the Playground of Mathematics | 17:38 | Video | YouTube | pending |
| 16 | The True and the False in the Theory of Four Dimensions | 18:32 | Video | YouTube | pending |
| 17 | The Ascending Series of Dimensions | 18:33 | Video | YouTube | pending |
| 18 | The Mind's Eye and the Fourth Dimension | 18:08 | Video | YouTube | pending |
| 19 | Other Dimensions Than Ours | 15:46 | Video | YouTube | pending |
| 20 | The Meaning of the Term 'Fourth Dimension' | 18:42 | Video | YouTube | pending |
| 21 | A Pupil in Geometry Quizzes His Teacher About the Fourth Dimension | 15:00 | Video | YouTube | pending |
| 22 | Possible Measurements And Forms In A System of Four Dimensions | 20:30 | Video | YouTube | pending |
| 23 | The Fairyland of the Fourth Dimension | 18:54 | Video | YouTube | pending |
| 24 | The Properties of Four-Dimensional Space | 22:41 | Video | YouTube | pending |